84 lines
2.3 KiB
Java
84 lines
2.3 KiB
Java
|
package ch.zhaw.ads;
|
||
|
|
|
||
|
|
import javax.swing.*;
|
||
|
|
import java.awt.*;
|
||
|
|
import java.util.StringTokenizer;
|
||
|
|
|
||
|
|
public class GraphicPanel extends JPanel {
|
||
|
|
String figure;
|
||
|
|
|
||
|
|
public void setFigure(String figure) {
|
||
|
|
this.figure = figure;
|
||
|
|
paint(getGraphics());
|
||
|
|
}
|
||
|
|
|
||
|
|
private void drawRect(Graphics g, double x, double y, double width, double height, String style) {
|
||
|
|
int w = getWidth();
|
||
|
|
int h = getHeight();
|
||
|
|
int ix0 = (int) (w * x);
|
||
|
|
int iy0 = (int) (h * y);
|
||
|
|
int ix1 = (int) (w * (x + width));
|
||
|
|
int iy1 = (int) (h * (y + height));
|
||
|
|
if (style.equals("draw")) {
|
||
|
|
g.drawRect(ix0, h - iy1, ix1 - ix0, iy1 - iy0);
|
||
|
|
} else {
|
||
|
|
g.fillRect(ix0, h - iy1, ix1 - ix0, iy1 - iy0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void drawFigure(Graphics g) {
|
||
|
|
if (figure != null) {
|
||
|
|
int w = getWidth();
|
||
|
|
int h = getHeight();
|
||
|
|
g.setColor(Color.black);
|
||
|
|
StringTokenizer tok = new StringTokenizer(figure, " <>=/,\"\n");
|
||
|
|
while (tok.hasMoreTokens()) {
|
||
|
|
String fig = tok.nextToken();
|
||
|
|
if (fig.equals("line")) {
|
||
|
|
tok.nextToken();
|
||
|
|
double x1 = Double.parseDouble(tok.nextToken());
|
||
|
|
tok.nextToken();
|
||
|
|
double y1 = Double.parseDouble(tok.nextToken());
|
||
|
|
tok.nextToken();
|
||
|
|
double x2 = Double.parseDouble(tok.nextToken());
|
||
|
|
tok.nextToken();
|
||
|
|
double y2 = Double.parseDouble(tok.nextToken());
|
||
|
|
g.drawLine((int) (x1 * w), h - (int) (y1 * h),
|
||
|
|
(int) (x2 * w), h - (int) (y2 * h));
|
||
|
|
} else if (fig.equals("rect")) {
|
||
|
|
tok.nextToken();
|
||
|
|
double x = Double.parseDouble(tok.nextToken());
|
||
|
|
tok.nextToken();
|
||
|
|
double y = Double.parseDouble(tok.nextToken());
|
||
|
|
tok.nextToken();
|
||
|
|
double width = Double.parseDouble(tok.nextToken());
|
||
|
|
tok.nextToken();
|
||
|
|
double height = Double.parseDouble(tok.nextToken());
|
||
|
|
tok.nextToken();
|
||
|
|
String style = tok.nextToken();
|
||
|
|
drawRect(g, x, y, width, height, style);
|
||
|
|
} else if (fig.equals("color")) {
|
||
|
|
tok.nextToken();
|
||
|
|
int red = Integer.parseInt(tok.nextToken());
|
||
|
|
tok.nextToken();
|
||
|
|
int green = Integer.parseInt(tok.nextToken());
|
||
|
|
tok.nextToken();
|
||
|
|
int blue = Integer.parseInt(tok.nextToken());
|
||
|
|
g.setColor(new Color(red, green, blue));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void clear(Graphics g) {
|
||
|
|
int w = getWidth();
|
||
|
|
int h = getHeight();
|
||
|
|
g.setColor(new Color(240, 240, 240));
|
||
|
|
g.fillRect(0, 0, w, h);
|
||
|
|
}
|
||
|
|
|
||
|
|
public void paint(Graphics g) {
|
||
|
|
clear(g);
|
||
|
|
drawFigure(g);
|
||
|
|
}
|
||
|
|
}
|